Lesion distribution by vertebral artery group in 102 patients with vertebral artery territory infarction
| Hypoplastic | Dominant | Symmetric | |
|---|---|---|---|
| BA, basilar artery; LMI, lateral medullary infarction; PICAI, posterior inferior cerebellar artery infarction. | |||
| Values are number (%) of patients. | |||
| Ten patients with bilateral hypoplastic vertebral artery were excluded. | |||
| Most ischaemic strokes in vertebral artery territory originated from hypoplastic vertebral artery. | |||
| LMI (n = 36) | 18 (50) | 9 (25) | 9 (25) |
| PICAI (n = 51) | 21 (41.2) | 17 (33.3) | 13 (25.5) |
| LMI + PICAI (n = 10) | 6 (60) | 0 (0) | 4 (40) |
| PICAI + ⩾BA territory (n = 5) | 3 (60) | 0 (0) | 2 (40) |